SAS subsystem service considerations

There are several considerations to review before servicing features within the SAS subsystem for the 5105-22E, 9008-22L, 9009-22A, 9009-22G, 9009-41A, 9009-41G, 9009-42A, 9009-42G, 9223-22H, 9223-22S, 9223-42H, or 9223-42S system.

Before servicing any features, review the I/O configurations for each logical partition on your system. It is important to understand the differences between the various configurations and the resulting service considerations. In addition, consider possible impacts to the following areas:
  • Logical partitions and their I/O adapter assignments
  • RAID array configurations
  • Physical disk locations
  • Path to your boot device